It was working fine one day, and the next time I used the device, approx. 2 weeks later, it has malfunctioned. There was nothing that precipitated this malfunction. It was stored in the original packaging in a dry place [my coset]

It seems that the internal part just needs thorough cleaning.. no part will need to get replaced but you will have to open it and clean with compressed air.

look for loose connections.. If you cant do this at home then taking it for repair seems to be the only option..this will void the warranty so if its under warranty, call manufacturer and send it back.. they will repair/replace for you.

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